Scientific Name(s): Gymnocorymbus ternetzi

Common Name(s): Black Tetra, Skirt Tetra, Black Skirt Tetra, Black Widow Tetra

Family: Characidae

Species Type: Characins

Maximum Size: 2.5 inches

Life Span: 5 years

Natural Habitat: South American rivers

Minimum Tank Size: 20 gallons

Tank Region: Middle area of tank

Possible Tank Mates: Other community fish

Breeding Information: This fish is easiest to breed in a breeding tank with marbles as a substrate or a mesh netting for the eggs to fall out of reach of the cannibalistic parents. Use warm water (84-86°F) to initiate spawning. After courting procedure of the male swimming around females with fins spread, many tiny transparent eggs that fall to the bottom. Parents must be removed or eggs will be eaten. The eggs hatch in 24-28 hours and the fry are free-swimming after 3 to 5 days after. Start feeding with small live and crushed flake foods.

Sexing Information: The female Black Widow's anal fin is narrower and runs parallel with its second vertical line.

Diet: Carnivorous but does well with flake food.

Temperment: Schooling; Peaceful, although somewhat nippy when kept in smaller schools. Excellent for community tanks.

Common Diseases: Ich